Softball Top 10 Rankings 2021 Softball Top 10 Rankings March 2 March 16 March 30 April 13 April 27 (Final Regular Season) May 25 (Final Postseason) Ranking Process: The NCCAA Top 10 Rankings are developed by the National Sport Chair and Regional Sport Chairs who represent each region. Regional Sport Chairs develop a ranking for their region. Based on each regional ranking, Regional Sport Chairs then rank teams on a national level. The National Sport Chair then compiles the national ranking based on points from each team's ranking on the Regional Sport Chairs' national ballots. See 2020-21 Top 10 Rankings for all sports here. See Top 10 Rankings archives here.